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20 lines
443 B
GLSL
20 lines
443 B
GLSL
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const float k = 1.8;
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const float d0 = 0.04;
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const float d1 = 0.61;
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float a = exp(d0);
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float b = (exp(d1)-a)*150./128.0;
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vec4 BiasShadowProjection(in vec4 projectedShadowSpacePosition) {
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float distortFactor = log(length(projectedShadowSpacePosition.xy)*b+a)*k;
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projectedShadowSpacePosition.xy /= distortFactor;
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return projectedShadowSpacePosition;
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}
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float calcDistort(vec2 worldpos){
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return 1.0/(log(length(worldpos)*b+a)*k);
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}
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